Changeset 10799

Timestamp:

11/20/09 11:54:39 (4 years ago)

Author:

robert

Message:

From Cedric Pinson, "here an update of osgmovie example with the following features:
- play and pause now stop and play all streams given in the command line
(not only the first)
- add key + - to increase decrease the speed of all streams
- add key o to display all stream frame rate
"

Files:

• OpenSceneGraph/trunk/examples/osgmovie/osgmovie.cpp (modified) (7 diffs)

OpenSceneGraph/trunk/examples/osgmovie/osgmovie.cpp

@@ -44 +44 @@
 public:
 
-    MovieEventHandler():_playToggle(true),_trackMouse(false) {}
+    MovieEventHandler():_trackMouse(false) {}
 
     void setMouseTracking(bool track) { _trackMouse = track; }
@@ -117 +117 @@
 
 
-    bool            _playToggle;
     bool            _trackMouse;
     ImageStreamList _imageStreamList;
@@ -212 +211 @@
                     ++itr)
                 {
-                    _playToggle = !_playToggle;
-                    if ( _playToggle )
+                    osg::ImageStream::StreamStatus playToggle = (*itr)->getStatus();
+                    if (playToggle != osg::ImageStream::PLAYING)
                     {
-                        // playing, so pause
-                        std::cout<<"Play"<<std::endl;
+                        std::cout<< (*itr).get() << " Play"<<std::endl;
                         (*itr)->play();
                     }
@@ -222 +220 @@
                     {
                         // playing, so pause
-                        std::cout<<"Pause"<<std::endl;
+                        std::cout<< (*itr).get() << " Pause"<<std::endl;
                         (*itr)->pause();
                     }
@@ -234 +232 @@
                     ++itr)
                 {
-                    std::cout<<"Restart"<<std::endl;
+                    std::cout<< (*itr).get() << " Restart"<<std::endl;
                     (*itr)->rewind();
                     (*itr)->play();
@@ -248 +246 @@
                     if ( (*itr)->getLoopingMode() == osg::ImageStream::LOOPING)
                     {
-                        std::cout<<"Toggle Looping Off"<<std::endl;
+                        std::cout<< (*itr).get() << " Toggle Looping Off"<<std::endl;
                         (*itr)->setLoopingMode( osg::ImageStream::NO_LOOPING );
                     }
                     else
                     {
-                        std::cout<<"Toggle Looping On"<<std::endl;
+                        std::cout<< (*itr).get() << " Toggle Looping On"<<std::endl;
                         (*itr)->setLoopingMode( osg::ImageStream::LOOPING );
                     }
+                }
+                return true;
+            }
+            else if (ea.getKey()=='+')
+            {
+                for(ImageStreamList::iterator itr=_imageStreamList.begin();
+                    itr!=_imageStreamList.end();
+                    ++itr)
+                {
+                    double tm = (*itr)->getTimeMultiplier();
+                    tm += 0.1;
+                    (*itr)->setTimeMultiplier(tm);
+                    std::cout << (*itr).get() << " Increase speed rate "<< (*itr)->getTimeMultiplier() << std::endl;
+                }
+                return true;
+            }
+            else if (ea.getKey()=='-')
+            {
+                for(ImageStreamList::iterator itr=_imageStreamList.begin();
+                    itr!=_imageStreamList.end();
+                    ++itr)
+                {
+                    double tm = (*itr)->getTimeMultiplier();
+                    tm -= 0.1;
+                    (*itr)->setTimeMultiplier(tm);
+                    std::cout << (*itr).get() << " Decrease speed rate "<< (*itr)->getTimeMultiplier() << std::endl;
+                }
+                return true;
+            }
+            else if (ea.getKey()=='o')
+            {
+                for(ImageStreamList::iterator itr=_imageStreamList.begin();
+                    itr!=_imageStreamList.end();
+                    ++itr)
+                {
+                    std::cout<< (*itr).get() << " Frame rate  "<< (*itr)->getFrameRate() <<std::endl;
                 }
                 return true;
@@ -273 +307 @@
     usage.addKeyboardMouseBinding("r","Restart movie");
     usage.addKeyboardMouseBinding("l","Toggle looping of movie");
+    usage.addKeyboardMouseBinding("+","Increase speed of movie");
+    usage.addKeyboardMouseBinding("-","Decrease speed of movie");
+    usage.addKeyboardMouseBinding("o","Display frame rate of movie");
 }